Musical instrument



April 12,1927. 1,624,061 K. P. NESSELER MUSICAL INSTRUMENT Filed Nov. 50', 1925 2 Sheets-Sheet l i 12 1927. AL-wl K. P. NEssf-:LER

MUSICAL INSTRMENT Filed Nov. 30.1925

'Patented' Apr. i2;

MUSICAL INSTE'UMEB.

Application lerl November This invention relates to musical instruments et the piano-Zither type and hes es one of its objects to instrument at a provide u high grade niodei'ateeost of construe tion, that een be p luyed by'any person fa iniliar with'the keyboard of un ordinary piuno or organ.

lt is a further stngigient that occupies can be readily moved another without diiic Another aim is to avoid the use so far as possible in feature to produce an in but smell space end from one piace toY ulty.

of metal' order to secure iightness of weight and clarity of tone.

These and other 'like objects are attained by the novel constructiony and Combination of parts hereinafter described and shown in the accompanying drawing,

terial part of this which `Fi urel tiona vention, of Figure 2.

forming n ina'- disolosure, and in 1 is a fragmentary transverse seeview of an embodiment of the in-y the section being taken on line 1-1 Figure 2 4is a partial longitudinal seotional -view taken online 2-2 of Figure l..

Q Figure 3is al perspective view of; a eemplete embodimentl of the invention,- drawn to a reduced scale.

. Figure' 4 is u f iont'view of one 'of the key actuated string picking devices,shown in its normal raisedposition.

Figure 5 as depressed by a Figure 6 1s e is a similar view of the same key. side elevational view of one' of the plectrums or dogs in detail.

`Figure tional View taken on 7 is an enlarged transverse seeline As' shown im Figure 3 the instrument will be seen to resemble in general ap 'usual manner.

Below the cover,

a small piano Sistine; of endsl 1() with tending portion/1l, the body being i' its width, as 21u12, and prov 3 connecting n cover 14.

having a body con-` n rearwardly aise-d ided furnished with a sheet music its front edge a downextending poi-tion 16 to cover the front part of the instrument, adjacent the1 slanting portion 17 over the body being supported by legs in the the front edge 18,

when closed, are the 30, 1925. Serie?, No. Win33.

note keys 19 end 'whois note keys n both stjies of keys been' niroted ref-,ir en i rod common o zii-.

fi .tired plate li is po Lined beiov.' keyboard and near .its front ede'e :i strip of rubber or like cushion elementZZ-l, tlirouvh vfbieii passes nini n I w .the piete Ff'e'nd ei y A.

tbe undersides oi the keys proper reietinn. n

A sound board peit of' tif' chambers .2G und leaving the bot for its iower weil.

Between this well and trie sound ine` board 25, et the iront and rear, are secured rigid beams 28 having; plurality of hooks 2S) disposed in tivo rows in uniform spaced re lation, end etteehed these hooks are VWires 30 eonneeting with the music str 31, pessine; from :trent to rear i seated on )ineke resting on the soundiinr beiird Q5, tightening; devises (not shown) ot the usuel 'ty ends ofthe to permit tuning.'v

ri rigid Derellel .ifitii the ,Jy a iisnge and piumiity square having yeyiindrieei d. .in the ioirer two `sound y., .the letter instruinent nt, 'this beingsec'uied ent ewsy to receive a smtioned plungers 36 h I stems 37 siideble in oilienings in bei* 34@ and making Contact with their rounded with bioelrs 38 secured to the undersides of 'eeeli rey.

rIfbese stems are encircled by expansion springs 'iviiiehabut at their respective ends ngainst pins e() passing trensverselv through the ends of the sienis end in the berel-r y The piungrgers 36 extend downwardly between and ndgseent pairs of the strings 31, and are siotted through on uil sides. as at and te, end else reeA ed longitudinallv m their i` sides, f f f u Fini: strips e5 to 'the bei' 3ft eri tending down-Werd within the .recesses in the rear side of the ,giungere end set in each strip ere pins et@ entering the slots 44, otheil pins il extending oppositely outward `to move in formed in the "eur 34k i In the siots ed, slots 44, are opposed. @sire of 'ieetsue niets bei' Se. 'is set in the piate 22,

nt right engies to tiene inns over rods 32;?

e being` arranged et the rear The inner edges ol the plectrums presentv opposed cam surfaces 52 engageable with the pins 4,6 when the plungers are 1n a raised position, and thereafter permit thel pleetrums to recede so that upon releasing the key the plectnnns engage and snap the adacent strings, due to the action of the springs 39,' in a manner similar to hand picking. i l

Although the foregoing is generally descriptive of the referred embodiment of the invention, it 1s not desired to be restricted to the exact construction, as changes may be made within the scope and spirit of the appended claim.

Having' thus described my invention, I claiim- A key operated stringed musical instrument comprising a easing having a key board, al plurality ot' strings extending in a horizontal plane transversely in said casing below the key board, a plunger for each key, pairs of plectrums pivoted in opposed relation in each plunger, said plectrums engaging the strings on their upward movement, means for actuatinzgr said plungers and means to release said plectrums upon raising said plungers.

In witness whereof I have aflixed my slgnature.

KARL P. NESSELER. 

